Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

TOSOH AEP N-Aminoethylpiperazine

TOSOH AEP N-Aminoethylpiperazine is a high-purity aliphatic amine catalyst from TOSOH’s AEP series, featuring rapid reactivity and excellent selectivity in polyurethane foam and epoxy curing applications. It offers low volatility, superior solubility, and consistent performance across industrial formulations.
  • tosoh aep n aminoethylpiperazine_561a1e21
  • tosoh aep n aminoethylpiperazine_561a1e21

Features Of TOSOH AEP N-Aminoethylpiperazine

  1. High-purity, low-color liquid with consistent batch-to-batch performance.

  2. Enhanced reactivity due to the primary amine group combined with the tertiary piperazine ring.

  3. Excellent solubility in water and common organic solvents including alcohols and glycol ethers.

  4. Superior thermal and hydrolytic stability compared to conventional aliphatic diamines.

  5. Low volatility and reduced vapor pressure, supporting safer handling and storage.

Typical Applications Of TOSOH AEP N-Aminoethylpiperazine

  1. Epoxy curing agent for high-performance composites and structural adhesives.

  2. Intermediate in the synthesis of pharmaceuticals and agrochemical active ingredients.

  3. Catalyst modifier for polyurethane foams and coatings requiring fast gelation and low fogging.

  4. Chelating ligand in metal surface treatment formulations for corrosion inhibition.

  5. Building block for specialty polyamides and functionalized polymers with tailored flexibility and Tg.

Specifications Of TOSOH AEP N-Aminoethylpiperazine

Chemical TypeAliphatic heterocyclic diamine
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Amine Value460–475 mg KOH/g
Primary Amine Content≥98.0% (GC)
Water Content≤0.15% (Karl Fischer)
Density (20°C)0.97–0.99 g/cm³
Refractive Index (20°C)1.495–1.505


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